About the Role

Site Reliability Engineers are an integral part of our autonomous, multi-disciplinary teams, working closely with Product Teams, Security, and Operations to deliver quality, rock-solid customer experiences and scale our systems for ever-increasing growth.

Campaign Monitor is seeking a Site Reliability Engineer to join our growing SRE team; a gifted problem solver, often in unfamiliar code bases, and c# engineer with experience diagnosing system errors as well as proactively building metrics and alerts to discover system issues before our customers do. We send over 2 billion emails every month and our infrastructure needs to scale accordingly so we can deliver the best user experience possible.

What you’ll do:

  • Set the technical direction and roadmap, while aligning your team’s architectural direction with the company’s architectural direction
  • Help to grow the engineers in your team through mentoring and one on one guidance
  • Solve problems relating to core services and build automation to prevent problem recurrence; with the goal of automating response to all non-exceptional service conditions - facilitate root cause analysis sessions and communicate the findings back to the product teams.
  • Design, write and deliver software to improve the availability, scalability, latency, and efficiency of Campaign Monitor's services.
  • Influence and create new designs, architectures, standards and methods for large-scale distributed systems.
  • Engage in service capacity planning and demand forecasting, software performance analysis and system tuning.
  • Conduct periodic on call duties outside of Sydney business hours.
  • Measure everything, report on interesting events and alert on critical issues.
  • Create and update documentation.
  • Work with other teams to build, test and roll out systems that are resilient, robust, and scalable.

About You


  • BA/BS degree in Computer Science or related field (In lieu of degree, 8+ years of relevant industry experience).
  • Experience of both the SRE role and working in a technical leadership position
  • Strong fluency in C# and strong scripting skills - knowledge of other programming languages such as java or golang is a bonus.
  • Understanding of distributed systems architecture and best practice is distributed system design.
  • Commercial hands on experience with AWS
  • You’ve used a range of storage engines (SQL, Elasticsearch, Cassandra) and know when each type is useful.
  • You know how to use DevTools or similar to improve web application performance.
  • Effective communication skills, via interactive mediums and documentation.


  • Big data systems such as Elasticsearch, Cassandra or Spark.
  • Strong knowledge of TCP/IP and UDP networking and troubleshooting with Wireshark, nmap and friends.
  • You know how web applications work, from the underlying network protocols (HTTP, TCP) through to web server (IIS, nginx), browser behaviour and everything in between.

What Are The Perks

  • Competitive salary
  • Generous annual leave and holiday schedule
  • Flexible work hours
  • Training budget to ensure you are always learning and growing
  • Daily, fully catered breakfast, lunch and snacks, drinks options and barista coffee when you are working in our Sydney office
  • Personal fitness, yoga classes, swimming passes, team sports fully funded by Campaign Monitor when you are working from the Sydney office
  • Salary Continuance and Life Insurance 
  • An awesome work environment using the best available equipment

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